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LOG OF EXPLORATION PIT NO. EP-8 <br /> F This log is part of the report prepared by Associated Earth Sciences,Inc.(AESI)for the named project and should be <br /> read together with that report for complete interpretation.This summary applies only to the location of this trench at the <br /> time of excavation.Subsurface conditions may change at this location with the passage of time.The data presented are <br /> o a simplfication of actual conditions encountered. <br /> DESCRIPTION <br /> Grass/Topsoil <br /> Loose,slightly moist, dark brown, organic rich, silty,fine to medium SAND,trace gravel (SM). <br /> 1 Vashon Lodgement Till <br /> Dense, slightly moist, gray, silty, fine SAND, some gravel;cobbles(<6 inches in diameter)present. <br /> 2 — (SM) <br /> Weathered to medium dense,tan at 0.5 to 1 foot. <br /> 3 — Weathered to oxidized reddish tan in western portion of excavation from 2 to 4 feet. <br /> 4 — <br /> 5 - <br /> 6 Vashon Advance Outwash <br /> 7 Dense, slightly moist, grayish tan,fine to medium SAND, some gravel to gravelly,trace to some silt; <br /> silt ranges to silty in some layers; medium sand content; stratified (SP-SM). <br /> 8 — <br /> 9 <br /> 10 — <br /> 11 — <br /> 12 — <br /> 13 — <br /> Bottom of exploration pit at depth 13 feet <br /> 14 — No seepage. No caving. <br /> 15 — <br /> 16 — <br /> 17 — <br /> 18 — <br /> 19 — <br /> 20 <br /> Stormwater Infiltration Assessment <br /> Everett, WA <br /> a. <br /> associated <br /> s o c i a t e d <br /> Logged by: ADY de;IPy Project No. 170671 H001 <br /> earth sciences <br /> a Approved by: JHS Incorporated 12/14/17 <br /> v <br />